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Related papers: The N = 16 spherical shell closure in 24O

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Excited states of the neutron-rich isotopes $^{42,44}$S and $^{41,43}$P have been studied via inverse-kinematics proton scattering from a liquid hydrogen target, using the GRETINA $\gamma$-ray tracking array to extract inelastic scattering…

The particle unbound $^{26}$O nucleus is located outside the neutron drip line, and spontaneously decays by emitting two neutrons with a relatively long life time due to the centrifugal barrier. We study the decay of this nucleus with a…

Nuclear Theory · Physics 2015-06-16 K. Hagino , H. Sagawa

Possible deformation of odd-N nuclei with N $\approx$ 28 towards the neutron drip line is investigated using the Nilsson diagram based on deformed Woods-Saxon potentials. Both weakly-bound and resonant one-particle levels are properly…

Nuclear Theory · Physics 2009-01-28 Ikuko Hamamoto

We study ground- and excited-state properties of all sd-shell nuclei with neutron and proton numbers 8 <= N,Z <= 20, based on a set of low-resolution two- and three-nucleon interactions that predict realistic saturation properties of…

Nuclear Theory · Physics 2016-01-22 J. Simonis , K. Hebeler , J. D. Holt , J. Menendez , A. Schwenk

DWBA analysis of the inelastic $^{30-40}$S$(p,p')$ and $^{18-22}$O$(p,p')$ scattering data measured in the inverse kinematics has been performed to determine the isoscalar ($\delta_0$) and isovector ($\delta_1$) deformation lengths of the…

Nuclear Theory · Physics 2008-11-26 Dao T. Khoa

Data from the inelastic scattering of electrons, and of intermediate energy protons and pions leading to ``stretched'' configuration 4- states near 19 MeV excitation in 16O as well as from charge exchange (p,n) scattering to an isobaric…

Nuclear Theory · Physics 2015-06-26 K. Amos , S. Karataglidis , Y. J. Kim

The nn final state interaction has been investigated in d+2H->(pp)S+(nn)S->p+p+n+n reaction going through a formation and breakup of singlet diproton and dineutron in the intermediate state. In the kinematically complete experiment…

Nuclear Experiment · Physics 2017-04-05 E. Konobeevski , A. Kasparov , M. Mordovskoy , S. Zuyev , V. Lebedev , A. Spassky

Inelastic $\alpha$ scattering on 16O is studied at 400 MeV by using an ice target. Near the 4-alpha breakup threshold of 14.4 MeV, a broad peak is observed at an excitation energy of 13.6+/-0.2 MeV with a width of 0.6+/-0.2 MeV. The…

The level structure of the unbound nucleus 11N has been studied by 10C+p elastic resonance scattering in inverse geometry with the LISE3 spectrometer at GANIL, using a 10C beam with an energy of 9.0 MeV/u. An additional measurement was done…

Background: Odd-odd nuclei, around doubly closed shells, have been extensively used to study proton-neutron interactions. However, the evolution of these interactions as a function of the binding energy, ultimately when nuclei become…

Nuclear Experiment · Physics 2017-11-15 M. Vandebrouck , A. Lepailleur , O. Sorlin , T. Aumann , C. Caesar , M. Holl , V. Panin , F. Wamers , S. R. Stroberg , J. D. Holt , F. De Oliveira Santos , H. Alvarez-Pol , L. Atar , V. Avdeichikov , S. Beceiro-Novo , D. Bemmerer , J. Benlliure , C. A. Bertulani , S. K. Bogner , J. M. Boillos , K. Boretzky , M. J. G. Borge , M. Caamano , E. Casarejos , W. Catford , J. Cederkäll , M. Chartier , L. Chulkov , D. Cortina-Gil , E. Cravo , R. Crespo , U. Datta Pramanik , P. Diaz Fernandez , I. Dillmann , Z. Elekes , J. Enders , O. Ershova , A. Estrade , F. Farinon , L. M. Fraile , M. Freer , D. Galaviz , H. Geissel , R. Gernhauser , J. Gibelin , P. Golubev , K. Göbel , J. Hagdahl , T. Heftrich , M. Heil , M. Heine , A. Heinz , A. Henriques , H. Hergert , A. Hufnagel , A. Ignatov , H. T. Johansson , B. Jonson , J. Kahlbow , N. Kalantar-Nayestanaki , R. Kanungo , A. Kelic-Heil , A. Knyazev , T. Kröll , N. Kurz , M. Labiche , C. Langer , T. Le Bleis , R. Lemmon , S. Lindberg , J. Machado , J. Marganiec , F. M. Marques , A. Movsesyan , E. Nacher , M. Najafi , E. Nikolskii , T. Nilsson , C. Nociforo , S. Paschalis , A. Perea , M. Petri , S. Pietri , R. Plag , R. Reifarth , G. Ribeiro , C. Rigollet , M. Röder , D. Rossi , D. Savran , H. Scheit , A. Schwenk , H. Simon , I. Syndikus , J. Taylor , O. Tengblad , R. Thies , Y. Togano , P. Velho , V. Volkov , A. Wagner , H. Weick , C. Wheldon , G. Wilson , J. S. Winfield , P. Woods , D. Yakorev , M. Zhukov , A. Zilges , K. Zuber

Excited states in the extremely neutron-deficient nucleus, 180Pb, have been identified for the first time using the JUROGAM II array in conjunction with the RITU recoil separator at the Accelerator Laboratory of the University of Jyvaskyla.…

An extended investigation of the low-spin structure of the $^{65}$Ni nucleus was performed at the Institut Laue-Langevin, Grenoble, via the neutron capture reaction $^{64}$Ni(n,$\gamma$)$^{65}$Ni, using the FIPPS HPGe array. The level…

The $^{18}$F(p, $\alpha$)$^{15}$O reaction is key to determining the $^{18}$F abundance in classical novae. However, the cross section for this reaction has large uncertainties at low energies largely caused by interference effects. Here,…

Nuclear Experiment · Physics 2023-04-12 F. Portillo , R. Longland , A. L. Cooper , S. Hunt , A. M. Laird , C. Marshall , K. Setoodehnia

We report observations from the (p,n) reaction on 12C at 135 MeV. The experiment was performed with the beam-swinger neutron time-of-flight system at the Indiana University Cyclotron Facility. Neutrons were detected in large-volume plastic…

We calculate densities of excited states in the quasiparticle random-phase approximation (QRPA)with Skyrme interactions and volume pairing. We focus on low-energy peaks/bumps in the strength functions of a range of Ca, Ni, and Sn isotopes…

Nuclear Theory · Physics 2008-11-26 J. Terasaki , J. Engel

Intense and purified radioactive beam of post-accelerated $^{14}$O was used to study the low-lying states in the unbound $^{15}$F nucleus. Exploiting resonant elastic scattering in inverse kinematics with a thick target, the second excited…

The weak binding and spatially extended neutron densities characteristic of drip-line nuclei give rise to a distinctive low-energy dipole response. The drip-line nucleus $^8$He is the most neutron-rich bound nucleus with a mass-to-charge…

States in the neutron-rich isotope 51 Ca were populated via the 50 Ca(d, p) transfer reaction in inverse kinematics at a beam energy of about 14 AMeV. The experiment was performed using a decelerated radioactive 50 Ca beam from the OEDO…

The electric dipole strength in 120Sn has been extracted from proton inelastic scattering experiments at E_p = 295 MeV and at forward angles including 0 degree. Below neutron threshoild it differs from the results of a 120Sn(gamma,gamma')…